Station Overview Station Location
Station Number CA-SR-10 Latitude 34.1377058
Station Name Alta Loma 2.7 ENE Longitude -117.5512114
County San Bernardino Elevation (ft) 1535



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 16 0.92 0.69 31 0.69 31 0.00 0 0 5 0 0.0 0 0
Nov 16 1.32 1.11 30 1.11 30 0.00 0 0 3 0 0.0 0 0
Dec 16 2.42 4.91 31 0.97 26 3.94 5 2 2 0 0.0 0 0
Jan 17 4.25 10.91 20 8.26 16 2.65 4 2 12 0 0.0 0 0
Feb 17 4.92 2.80 4 2.80 4 0.00 0 0 4 0 0.0 0 0
March 17 3.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 1.17 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 0.38 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 0.13 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 17 0.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 17 0.06 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 17 0.24 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 19.14" 20.42" 116 days 13.83" 107 6.59" 9 days 4 26 days 0 days 0.0" 0 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2016 0.00
10/2/2016 0.00
10/3/2016 0.00
10/4/2016 0.00
10/5/2016 0.00
10/6/2016 0.00
10/7/2016 0.00
10/8/2016 0.00
10/9/2016 0.00
10/10/2016 0.00
10/11/2016 0.00
10/12/2016 0.00
10/13/2016 0.00
10/14/2016 0.00
10/15/2016 0.00
10/16/2016 0.01
10/17/2016 0.02
10/18/2016 0.03
10/19/2016 0.00
10/20/2016 0.00
10/21/2016 0.00
10/22/2016 0.00
10/23/2016 0.00
10/24/2016 0.44
10/25/2016 0.19
10/26/2016 0.00
10/27/2016 0.00
10/28/2016 0.00
10/29/2016 0.00
10/30/2016 0.00
10/31/2016 0.00
11/1/2016 0.00
11/2/2016 0.00
11/3/2016 0.00
11/4/2016 0.00
11/5/2016 0.00
11/6/2016 0.00
11/7/2016 0.00
11/8/2016 0.00
11/9/2016 0.00
11/10/2016 0.00
11/11/2016 0.00
11/12/2016 0.00
11/13/2016 0.00
11/14/2016 0.00
11/15/2016 0.00
11/16/2016 0.00
11/17/2016 0.00
11/18/2016 0.00
11/19/2016 0.00
11/20/2016 0.00
11/21/2016 0.81
11/22/2016 0.00
11/23/2016 0.00
11/24/2016 0.00
11/25/2016 0.00
11/26/2016 0.00
11/27/2016 0.23
11/28/2016 0.07
11/29/2016 0.00
11/30/2016 0.00
12/1/2016 0.00
12/2/2016 0.00
12/3/2016 0.00
12/4/2016 0.00
12/5/2016 0.00
12/6/2016 0.00
12/7/2016 0.00
12/8/2016 0.00
12/9/2016 0.00
12/10/2016 0.00
12/11/2016 0.00
12/12/2016 0.00
12/13/2016 0.00
12/14/2016 0.00
12/15/2016 **
12/16/2016 **
12/17/2016 2.07
12/18/2016 0.00
12/19/2016 0.00
12/20/2016 0.00
12/21/2016 0.00
12/22/2016 0.67
12/23/2016 **
12/24/2016 1.87
12/25/2016 0.00
12/26/2016 0.00
12/27/2016 0.00
12/28/2016 0.00
12/29/2016 0.00
12/30/2016 0.00
12/31/2016 0.30
Day of YearDaily PrcpMultiday Prcp
1/1/2017 0.27
1/2/2017 0.00
1/3/2017 0.00
1/4/2017 0.00
1/5/2017 0.25
1/6/2017 0.29
1/7/2017 0.06
1/8/2017 0.00
1/9/2017 **
1/10/2017 0.96
1/11/2017 **
1/12/2017 1.69
1/13/2017 1.37
1/14/2017 0.02
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017 0.76
1/20/2017 0.31
1/21/2017 1.76
1/22/2017 0.08
1/23/2017 2.76
1/24/2017 0.33
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017
2/4/2017
2/5/2017
2/6/2017
2/7/2017 0.56
2/8/2017 0.10
2/9/2017
2/10/2017
2/11/2017 0.31
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017 1.83
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017
7/9/2017
7/10/2017
7/11/2017
7/12/2017
7/13/2017
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017
7/19/2017
7/20/2017
7/21/2017
7/22/2017
7/23/2017
7/24/2017
7/25/2017
7/26/2017
7/27/2017
7/28/2017
7/29/2017
7/30/2017
7/31/2017
8/1/2017
8/2/2017
8/3/2017
8/4/2017
8/5/2017
8/6/2017
8/7/2017
8/8/2017
8/9/2017
8/10/2017
8/11/2017
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017
8/17/2017
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017
8/24/2017
8/25/2017
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017
9/15/2017
9/16/2017
9/17/2017
9/18/2017
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017
9/25/2017
9/26/2017
9/27/2017
9/28/2017
9/29/2017
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM 0.00 0.0 M M M
10/2/2016 7:00 AM 0.00 0.0 M M M
10/3/2016 7:00 AM 0.00 0.0 M M M
10/4/2016 7:00 AM 0.00 0.0 M M M
10/5/2016 7:00 AM 0.00 0.0 M M M
10/6/2016 7:00 AM 0.00 0.0 M M M
10/7/2016 7:00 AM 0.00 0.0 M M M
10/8/2016 7:00 AM 0.00 0.0 M M M
10/9/2016 7:00 AM 0.00 0.0 M M M
10/10/2016 7:00 AM 0.00 0.0 M M M
10/11/2016 7:00 AM 0.00 0.0 M M M
10/12/2016 7:00 AM 0.00 0.0 M M M
10/13/2016 7:00 AM 0.00 0.0 M M M
10/14/2016 7:00 AM 0.00 0.0 M M M
10/15/2016 7:00 AM 0.00 0.0 M M M
10/16/2016 7:00 AM 0.01 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/17/2016 7:00 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/18/2016 7:00 AM 0.03 M M M M
10/19/2016 7:00 AM 0.00 0.0 M M M
10/20/2016 7:00 AM 0.00 0.0 M M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/22/2016 7:00 AM 0.00 0.0 M M M
10/23/2016 7:00 AM 0.00 0.0 M M M
10/24/2016 7:00 AM 0.44 M M M M Scattered T-Storms all night
10/25/2016 7:00 AM 0.19 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
10/26/2016 7:00 AM 0.00 0.0 M M M
10/27/2016 7:00 AM 0.00 0.0 M M M
10/28/2016 7:00 AM 0.00 0.0 M M M
10/29/2016 7:00 AM 0.00 0.0 M M M
10/30/2016 7:00 AM 0.00 0.0 M M M
10/31/2016 7:00 AM 0.00 0.0 M M M
11/1/2016 7:00 AM 0.00 0.0 M M M
11/2/2016 7:00 AM 0.00 0.0 M M M
11/3/2016 7:00 AM 0.00 0.0 M M M
11/4/2016 7:00 AM 0.00 0.0 M M M
11/5/2016 7:00 AM 0.00 0.0 M M M
11/6/2016 7:00 AM 0.00 0.0 M M M
11/7/2016 7:00 AM 0.00 0.0 M M M
11/8/2016 7:00 AM 0.00 0.0 M M M
11/9/2016 7:00 AM 0.00 0.0 M M M
11/10/2016 7:00 AM 0.00 0.0 M M M
11/11/2016 7:00 AM 0.00 0.0 M M M
11/12/2016 7:00 AM 0.00 0.0 M M M
11/13/2016 7:00 AM 0.00 0.0 M M M
11/14/2016 7:00 AM 0.00 0.0 M M M
11/15/2016 7:00 AM 0.00 0.0 M M M
11/16/2016 7:00 AM 0.00 0.0 M M M
11/17/2016 7:00 AM 0.00 0.0 M M M
11/18/2016 7:00 AM 0.00 0.0 M M M
11/19/2016 7:00 AM 0.00 0.0 M M M
11/20/2016 7:00 AM 0.00 0.0 M M M
11/21/2016 4:58 AM 0.81 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.3 (build 2005)
11/22/2016 7:00 AM 0.00 0.0 M M M
11/23/2016 7:00 AM 0.00 0.0 M M M
11/24/2016 7:00 AM 0.00 0.0 M M M
11/25/2016 7:00 AM 0.00 0.0 M M M
11/26/2016 7:00 AM 0.00 0.0 M M M
11/27/2016 7:00 AM 0.23 M M M M Lost of wind with yesterdays storm. Started around 14:30.
11/28/2016 4:56 AM 0.07 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
11/29/2016 7:00 AM 0.00 0.0 M M M
11/30/2016 7:00 AM 0.00 0.0 M M M
12/1/2016 7:00 AM 0.00 0.0 M M M
12/2/2016 7:00 AM 0.00 0.0 M M M
12/3/2016 7:00 AM 0.00 0.0 M M M
12/4/2016 7:00 AM 0.00 0.0 M M M
12/5/2016 7:00 AM 0.00 0.0 M M M
12/6/2016 7:00 AM 0.00 0.0 M M M
12/7/2016 7:00 AM 0.00 0.0 M M M
12/8/2016 7:00 AM 0.00 0.0 M M M
12/9/2016 7:00 AM 0.00 0.0 M M M
12/10/2016 7:00 AM 0.00 0.0 M M M
12/11/2016 7:00 AM 0.00 0.0 M M M
12/12/2016 7:00 AM 0.00 0.0 M M M
12/13/2016 7:00 AM 0.00 0.0 M M M
12/14/2016 7:00 AM 0.00 0.0 M M M
12/18/2016 7:00 AM 0.00 0.0 M M M
12/19/2016 7:00 AM 0.00 0.0 M M M
12/20/2016 7:00 AM 0.00 0.0 M M M
12/21/2016 7:00 AM 0.00 0.0 M M M
12/22/2016 7:00 AM 0.67 M M M M windy last night
12/25/2016 7:00 AM 0.00 0.0 M M M
12/26/2016 7:00 AM 0.00 0.0 M M M
12/27/2016 7:00 AM 0.00 0.0 M M M
12/28/2016 7:00 AM 0.00 0.0 M M M
12/29/2016 7:00 AM 0.00 0.0 M M M
12/30/2016 7:00 AM 0.00 0.0 M M M
12/31/2016 7:00 AM 0.30 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.4 (build 2006)
1/1/2017 7:00 AM 0.27 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.5 (build 2007)
1/2/2017 7:00 AM 0.00 0.0 M M M
1/3/2017 7:00 AM 0.00 0.0 M M M
1/4/2017 7:00 AM 0.00 0.0 M M M
1/5/2017 7:00 AM 0.25 M M M M still raining this morning
1/6/2017 7:00 AM 0.29 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.5 (build 2007)
1/7/2017 7:00 AM 0.06 M M M M raining
1/8/2017 7:00 AM 0.00 0.0 M M M
1/13/2017 4:00 AM 1.37 M M M M
1/14/2017 7:00 AM 0.02 M M M M
1/19/2017 7:00 AM 0.76 M M M M still raining
1/20/2017 6:45 AM 0.31 M M M M
1/21/2017 7:00 AM 1.76 M M M M Periods of intense rain from embedded Thunderstorms yesterday afternoon.
1/22/2017 7:00 AM 0.08 M M M M
1/23/2017 4:30 AM 2.76 M M M M
1/24/2017 7:00 AM 0.33 M M M M
2/7/2017 7:00 AM 0.56 M M M M
2/8/2017 7:00 AM 0.10 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/11/2017 7:00 AM 0.31 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)
2/18/2017 7:00 AM 1.83 M M M M Submitted via CoCoRaHS Observer for Android version 2.0.8 (build 20010)



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/15/2016 12/17/2016 7:00 AM 3 2.07 M M Rain started 12/15/16 afternoon, and lasted until 12/16/16 afternoon.
12/23/2016 12/24/2016 7:00 AM 2 1.87 M M About .30" from 12/22 thru 12/23 and then the big storm through 12/23 evening 1.57". Second wave caused some minor flooding in backyard.
1/9/2017 1/10/2017 7:00 AM 2 0.96 M M Mostly yesterday morning
1/11/2017 1/12/2017 7:00 AM 2 1.69 M M Still raining this morning and heavy rain this afternoon!



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground